The first time they tried to make it. All reports are the second time, Manny agreed to all the testing provisions, and Floyd still would not fight him.

So now, this is more on Mayweather.

Well, it's not like we don't know what the testing provisions were. There have been some PED allegations against Pacquiao, and we all know that HGH is pretty hard to test for.

“If you ask me how I want to be remembered, it is as a winner. You know what a winner is? A winner is somebody who has given his best effort, who has tried the hardest they possibly can, who has utilized every ounce of energy and strength within them to accomplish something. It doesn't mean that they accomplished it or failed, it means that they've given it their best. That's a winner.”
― Walter Payton